GearWrench KDS2967 Hand Held Tachometer 100 To 4000 Rpm

GearWrench 2967 Hand-Held Tachometer

features and benefits: range: 100 to 4000 rpm (clockwise or counter-clock wise) tachometer checks diesels, pumps, compressors, power take-offs and farm and construction equipment revolution speed diameter: 2-3/4" length: 4-1/4" this tool is ideal where electric tachometer can not be used. it's simple to operate, hold the rubber tip against end of rotating shaft and read the revolution per minute directly from the dial.